Home / 57,071.02-85,481.70-28,942.60

Finding the Fourth Proportional to 57,071.02, 85,481.70 and 28,942.60

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Solution

The fourth proportional to 57,071.02, 85,481.70 and 28,942.60 is: 43,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,071.02 : 85,481.70 = 28,942.60 : x
  2. Step 2: Convert to fraction form
    57,071.02/85,481.70 = 28,942.60/x
  3. Step 3: Cross multiply
    57,071.02x = 85,481.70 × 28,942.60
  4. Step 4: Simplify right side
    57,071.02x = 2,474,062,650.42
  5. Step 5: Solve for x
    x = 2,474,062,650.42/57,071.02
  6. Step 6: Final answer
    x = 43,350.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.